The discovery was made by Milan Fňašek (RNDR. MF1) of the Czech Republic using an Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz with 8GB RAM, running Microsoft Windows 7 Professional. This computer took about 1 hour 22 minutes to complete the primality test using LLR. Milan is a member of the Czech National Team.

The prime was verified on 23 June 2016, 21:44:24 UTC, by Walter Darimont (Walter Darimont) of Belgium using an Intel(R) CPU @ 2.66GHz with 4GB RAM, running Linux. This computer took about 4 hours 26 minutes to complete the primality test using LLR. Walter is a member of the Aggie The Pew team.